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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

IRA M. LESSER M.D.
NPI 1477500460
Psychiatry & Neurology - Psychiatry in Torrance, CA

Active since May 27, 2006
21840 NORMANDIE AVE, STE. 200, TORRANCE, CA 90502(310) 222-3101(310) 320-6973 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ira M. Lesser M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

IRA M. LESSER M.D. (NPI 1477500460) is an individual psychiatry provider in Torrance, California, licensed in California (G29799) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1477500460
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameIRA M. LESSERCredential: M.D.
Location Address21840 NORMANDIE AVE, STE. 200Torrance, CA 90502-2047
Mailing Address21840 Normandie Ave, Ste. 200Torrance, CA 90502-2047 · (310) 222-3101 · Fax (310) 320-6973
Phone(310) 222-3101
Fax(310) 320-6973
Sole ProprietorNo
Enumeration DateMay 27, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1477500460 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · G29799
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
21840 NORMANDIE AVE, Torrance, CA 90502
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Other Identifiers 1

Medicaid00G297990CA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATAYOUN K MOSTAFAIE M.D.
General Practice
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5101
ANDREW G GIANOUKAKIS M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5183
KATHY E SIETSEMA M.D.
Internal Medicine (Pulmonary Disease)
21840 NORMANDIE AVE
TORRANCE, CA 90502
Los Angeles County (310) 222-5101
MARK T. MUNEKATA M.D.
General Practice
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5101
JOEL D. KOPPLE M.D.
Internal Medicine (Nephrology)
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5101
NEDILJKA BULJUBASIC M.D.
Internal Medicine (Cardiovascular Disease)
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5101
CATHERINE S MAO M.D.
Pediatrics (Pediatric Endocrinology)
21840 NORMANDIE AVE, STE. 1100
TORRANCE, CA 90502
Los Angeles County (310) 222-5133
RONALD SWERDLOFF M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
21840 NORMANDIE AVE, STE. 700
TORRANCE, CA 90502
Los Angeles County (310) 222-5101

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ira Lesser's NPI number?

The NPI number for Ira Lesser is 1477500460. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Ira Lesser located?

Ira Lesser practices at 21840 Normandie Ave Ste. 200, Torrance, CA 90502. The listed phone number is (310) 222-3101.

What is Ira Lesser's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Ira Lesser was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.